Deprivation
Deprivation Index
Deprivation is something that is given a lot of attention in the UK, which is why there is an index on that exact subject. Whilst the word comes across quite negatively, for this site, it's a statistical term.
Index
Index
Zoopla House Price Index
Zoopla produces its own house price index, many don't know that. Always useful to have a different view from the more standard indexes. Oh, its not great news!
House
Source: House Price Index - HPI
House Price Index (HPI) data is provided by gov.uk as a single file, not small but not large by any means. The data is available monthly and dates back to 1968.